JE Pistons BBC INV DOME Set of 8 Pistons
JE Pistons BBC INV DOME Set of 8 Pistons
Description
JE Pistons BBC INV DOME Set of 8 Pistons
JE Auto forged pistons from JE Pistons are the result of over 75 years of industry leading experience extended to our range of premium forged pistons for Chevrolet Big Block Engines JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag strip, JE Pistons’ performance is proven in victory lane time and time again. Equipped with the following custom level features
Additional Information
4.560 in. Bore - 1.270 CD - (-20.0 cc) - 8 Cyl. Piston Kit
Part Type
Engine Piston Kit
Features
- Accumulator Groove: A specialty groove between the top and second ring provides added volume for blow-by gases. This helps reduce pressure between the rings, improving top ring seal and minimizing ring flutter at high cylinder pressures.
- Designed specifically for Chevrolet Big Block Engines To provide optimized performance durability
- Double Pin Oilers: Deliver twice the amount of oil to the wrist pin as compared to the standard single pin oiler.
- Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
- Includes high-quality wrist pins, and locks
- Made 100% in the USA
- Pin Fit: The pin bore is precision honed to attain an exact pin clearance. Clearances typically range from .0003 to .0010 between the wrist pin and pin bore.
- Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
- Smooth Crown Finish: Deburs all areas around the valve pocket and dome area, to reduces stress risers and prevent hot spots.
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 03:59:20
Note for Pistons, Rings, Rotors, Rods and engine internals
Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.
(keyword: pistons)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | JE Pistons |
| StreetFX SKU | jep257944 |
| SFX Item ID | 4359330 |
| Accounting SKU | jep-257944 |
| Manufacturer SKU | 257944 |
| Manufacturer UPC | 257944 |
| Alternative References | 257944 |
| Manufacturer Attributes | |
|---|---|
| Add-On | 990-042-CS |
| Piston Volume | -20.00 |
| Second Compression Ring Thickness | 0.0640 |
| Top Compression Ring Thickness | 0.0640 |
| Wrist Pin Wall Thickness | 0.180 |
| Oil Ring Thickness | 0.218 |
| Wrist Pin Outer Diameter | 0.990 |
| Compression Height | 1.270 |
| Wrist Pin Length | 2.930 |
| Piston Material | 2618 |
| Bore Diameter | 4.560 |
| Piston Average Weight | 593 |
| Piston Quantity | 8 |
| Industry | Automotive |
| Engine | Big Block |
| Engine - Web | Big Block |
| Make | Chevrolet |
| Make - Web | Chevrolet |
| Piston Head Type | Dish |
| Product Market | Domestic |
| Product Type | Engine Piston Kit |
| Piston Series | JE Pistons |
| Title | JE Pistons - Chevrolet, Big Block, 4.560 in. Bore, Piston Kit |
| Title - Web | JE Pistons Chevrolet Big Block Piston Kit - 4.560 in. Bore - 1.270 in. CH, -20.00 CC |
| Ring Set Included | No |
| Cylinder Head | OPEN CHAMBER |
| Forging Type | Round |
| Engine Type | ICE |
| Wrist Pin Material | 5115 Low Carbon Steel, Case Hardened |
| Out of Stock Message | Please Allow Approximately 3 Weeks or Less for Shipping |
| Bore Diameter - Web | 4.560 IN |
| Category Hierarchy | Auto>JE Pistons>Piston Kits |
| Manufacturer Designation | Piston Set, 2618, Inv Dome/Dish, 4.560 Bore, 1.270 CD, 0.990 Pin, Set of 8. |
| Product Class | Engine Piston Kit |
| Construction/Type | JE, Chevrolet, Big Block Chevrolet, 4.560 in. Bore, 1.270 CD, Inverted Dome/Dish, 8 Cyl. Piston Kit |
| Vehicle Designations | Chevrolet Big Block 502 |
| Product Outline | <ul><li>Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications</li><li>Designed specifically for each engine and use application to provide optimized performance durability</li><li>Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin</li><li>Skirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise</li><li>Accumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent power</li><li>Made 100% in the USA</li></ul> |
| Vehicle Brief | JE Pistons, Piston Kit |
| Market Description | As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for domestic applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From dirt track to drag strip, JE Pistons? performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons. |
Compatibility
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